Top 10 Anime like Attack on Titan ranked by Japenese Otaku

In the 22nd century Japan, an AI, the Sibyl System, objectively determine the threat level of each citizen by examining their mental state for signs of criminal intent, known as Psycho-Pass. The Police Department arrests people with the slightest malicious intent. The protagonist begins to question what justice is and whether it is possible to use a corrupt system to get justice.

Branded for death and destined to be hunted by demons until the day he dies, Guts sets out on a journey to resist such a harsh fate. With determination, Guts takes up the giant sword "Dragon Slayer" and vows to pursue the man he once respected and thought of as a friend, and take revenge on the person who caused it.

Tokyo has become a cruel and merciless city—a place where vicious creatures called "ghouls" exist alongside humans. The citizens of this once great metropolis live in constant fear of these bloodthirsty savages and their thirst for human flesh.

With their strong bodies and special abilities, Ghouls prey on humans. The story depicts a world where there are those who eat and those who are eaten, with the main character being a young boy who gets caught up in an incident involving Ghouls.

Demon Slayer is an action-adventure manga set in the Taisho era of Japan and depicts the battle between man-eating "demons" and the demon-killing squad "Demon Slaying Corps" against them. The main character, Kamado Tanjiro, fights with the demons in order to find a way to turn his younger sister into a human again.

Goblins are generally known as the weakest monsters. But this is because, in every manga and anime, the main character has extra-human strength. In this world, human power is not exaggerated. Therefore, the ferocity and cunning of goblins are depicted realistically. How will humans live in such a world?

Knights of Sidonia is set 1,000 years in the future, after the destruction of the solar system by a mysterious life form called Gauna. The few remaining humans travel through space in the giant interstellar spaceship Sidonia, fighting for the survival of their species.

In the year 2015, the world is on the verge of extinction. Humanity's last hope is placed in the hands of Nerv, a special agency of the United Nations, and Evangelion, a gigantic machine that can defeat the angel that heralds the destruction of the earth!

Surrounded by a forest and a gated entrance, the Grace Field House is inhabited by orphans happily living together as one big family, looked after by their "Mama," Isabella. But even the good times come to an end. Every few months, the adopted children are sent to their new families, never to be heard from again.
They are about to discover the cruel fate that awaits the children living at Grace Field, including the twisted nature of their beloved Mama.

Kei Kurono is thrown into the game and fights the aliens for a chance to survive.
He is put to the test of his skills, morals, and will to survive.

The industrial revolution was sweeping across the world. Then suddenly immortal monsters, Kabane, appeared. They have a heart covered with a steel membrane and turn even those who bite them into Kabane. The Kabane multiplied explosively and covered the entire world. They satisfy their appetite by tearing into human flesh, and the only way to kill a Kabane is to destroy its steel-clad heart. The boy who turned into Kabeneri, a human Kabane hybrid, fight against the Kabane to survive this world.